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  • ADS8528: power sequencing

    TI Thinks Resolved
    Part Number: ADS8528 Hello, The ADS8528 data sheet states, "Generally, there are no specific requirements with regard to the power sequencing of the device. However, when HVDD is supplied before AVDD, the internal electrostatic discharge (ESD) structure…

  • ADS8528: Data output error

    TI Thinks Resolved
    Part Number: ADS8528 I am using the ADS8528 in HW configuration mode with internal ref 2.5 (x2) and with serial output. All 8 channels have inputs (see schematic) When reading the output data - there appears to be a random influence on other channels…
    • Answered

  • ADS8528: some questions

    Resolved
    Part Number: ADS8528 Hi team There are some quesitons. 1. When they use the internal reference, should REFIO-pin be open? 2. Are there any restriction of DVDD power sequence? Regards, Noriyuki Takahashi
    • Resolved

  • ADS8528: Enabling the internal reference buffer

    TI Thinks Resolved
    Part Number: ADS8528 Hi team, Is the only buffer that becomes Enable when /REFBUFEN (pin 20) is set Low the buffer after the StringDAC in the block diagram in 9.2? If an external reference is used, does /REFBUFEN (pin 20) need to be HIGH? Sincerely…
    • Answered

  • ADS8528: ADS8528 PCB Layout: Analog and Digital Ground

    Resolved
    Part Number: ADS8528 Hello, I am looking on page 47 of the ADS8528 datasheet. On page 46, it states, "In case of separated ground areas, ensure that a low-impedance connection is between the analog and digital ground of the ADC by placing a bridge…
    • Resolved

  • ADS8528: Updated Schematic review

    TI Thinks Resolved
    Part Number: ADS8528 Hi, Please help to share ADS8528 schematic review comments. CT CARD SCHEMATIC.pdf Previous e2e thread link: https://e2e.ti.com/support/data-converters-group/data-converters/f/data-converters-forum/1055095/ads8528-spi-clock-scheme…
    • Answered

  • ADS8528: Connecting thermal pad

    Resolved
    Part Number: ADS8528 Hello, I designing circhit that is used ADS8528. The ADS8528SRGC (VQFN64 package) has bottom thermal pad. I want to know where to connect this thermal pad. (AGND or AVDD or HVDD or HVSS) Regards, MESH
    • Resolved
    • Answered

  • ADS8528: Inquiry about register map contents

    Resolved
    Part Number: ADS8528 Hello, I am considering host processor software specification for AD converter circuit that is used ADS8528. I confirmed ADS8528 resister map on section 9.5.1.1 of data sheet (SBAS543C). The register map has a description…
    • Resolved

  • ADS8528: SPI clock scheme

    TI Thinks Resolved
    Part Number: ADS8528 Other Parts Discussed in Thread: TMS320F28335 , ADS8568 I am confused by the SPI clock polarity and phase on ADS8528. In the datasheet (SBAS543C pp. 33) it says: Starting with the most significant bit (MSB), the output data…

  • ADS8528: ADS8528 HVDD, HVSS voltage range

    TI Thinks Resolved
    Part Number: ADS8528 Hi All, I am writing this to ask about the HVDD/HVSS voltage range of ADS8528. We are trying to replace MAX1312 with ADS8528 in customer system. They can use only +/-12V voltage for HVDD and HVSS in their system but the…

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